Home / 14,940.36-20,618.34-8,972.52

Finding the Fourth Proportional to 14,940.36, 20,618.34 and 8,972.52

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Solution

The fourth proportional to 14,940.36, 20,618.34 and 8,972.52 is: 12,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.36 : 20,618.34 = 8,972.52 : x
  2. Step 2: Convert to fraction form
    14,940.36/20,618.34 = 8,972.52/x
  3. Step 3: Cross multiply
    14,940.36x = 20,618.34 × 8,972.52
  4. Step 4: Simplify right side
    14,940.36x = 184,998,468.02
  5. Step 5: Solve for x
    x = 184,998,468.02/14,940.36
  6. Step 6: Final answer
    x = 12,382.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.